Home / 25,348,389.32-34,980,786.56-13,745,949.73

Finding the Fourth Proportional to 25,348,389.32, 34,980,786.56 and 13,745,949.73

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Solution

The fourth proportional to 25,348,389.32, 34,980,786.56 and 13,745,949.73 is: 18,969,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348,389.32 : 34,980,786.56 = 13,745,949.73 : x
  2. Step 2: Convert to fraction form
    25,348,389.32/34,980,786.56 = 13,745,949.73/x
  3. Step 3: Cross multiply
    25,348,389.32x = 34,980,786.56 × 13,745,949.73
  4. Step 4: Simplify right side
    25,348,389.32x = 480,844,133,569,619.69
  5. Step 5: Solve for x
    x = 480,844,133,569,619.69/25,348,389.32
  6. Step 6: Final answer
    x = 18,969,415.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.